Add td_api::internalLinkTypeChatFilterInvite.

td/generate/scheme/td_api.tl

@@ -4641,6 +4641,9 @@ internalLinkTypeBotStartInGroup bot_username:string start_parameter:string admin
 //@description The link is a link to the change phone number section of the app
 internalLinkTypeChangePhoneNumber = InternalLinkType;
 
+//@description The link is an invite link to a chat filter. Call checkChatFilterInviteLink with the given invite link to process the link @invite_link Internal representation of the invite link
+internalLinkTypeChatFilterInvite invite_link:string = InternalLinkType;
+
 //@description The link is a chat invite link. Call checkChatInviteLink with the given invite link to process the link @invite_link Internal representation of the invite link
 internalLinkTypeChatInvite invite_link:string = InternalLinkType;
 

td/telegram/LinkManager.cpp

@@ -71,12 +71,12 @@ static string get_url_query_hash(bool is_tg, const HttpUrlQuery &url_query) {
   const auto &path = url_query.path_;
   if (is_tg) {
     if (path.size() == 1 && path[0] == "join" && !url_query.get_arg("invite").empty()) {
-      // join?invite=abcdef
+      // join?invite=<hash>
       return url_query.get_arg("invite").str();
     }
   } else {
     if (path.size() >= 2 && path[0] == "joinchat" && !path[1].empty()) {
-      // /joinchat/<link>
+      // /joinchat/<hash>
       return path[1];
     }
     if (!path.empty() && path[0].size() >= 2 && (path[0][0] == ' ' || path[0][0] == '+')) {
@@ -87,6 +87,22 @@ static string get_url_query_hash(bool is_tg, const HttpUrlQuery &url_query) {
   return string();
 }
 
+static string get_url_query_slug(bool is_tg, const HttpUrlQuery &url_query) {
+  const auto &path = url_query.path_;
+  if (is_tg) {
+    if (path.size() == 1 && path[0] == "list" && !url_query.get_arg("slug").empty()) {
+      // list?slug=<hash>
+      return url_query.get_arg("slug").str();
+    }
+  } else {
+    if (path.size() >= 2 && path[0] == "list" && !path[1].empty()) {
+      // /list/<hash>
+      return path[1];
+    }
+  }
+  return string();
+}
+
 static AdministratorRights get_administrator_rights(Slice rights, bool for_channel) {
   bool can_manage_dialog = false;
   bool can_change_info = false;
@@ -350,6 +366,18 @@ class LinkManager::InternalLinkDefaultMessageAutoDeleteTimerSettings final : pub
   }
 };
 
+class LinkManager::InternalLinkDialogFilterInvite final : public InternalLink {
+  string url_;
+
+  td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
+    return td_api::make_object<td_api::internalLinkTypeChatFilterInvite>(url_);
+  }
+
+ public:
+  explicit InternalLinkDialogFilterInvite(string url) : url_(std::move(url)) {
+  }
+};
+
 class LinkManager::InternalLinkDialogInvite final : public InternalLink {
   string url_;
 
@@ -989,8 +1017,9 @@ LinkManager::LinkInfo LinkManager::get_link_info(Slice link) {
       Slice subdomain(&host[0], host.size() - 5);
       if (is_valid_username(subdomain) && subdomain != "addemoji" && subdomain != "addstickers" &&
           subdomain != "addtheme" && subdomain != "auth" && subdomain != "confirmphone" && subdomain != "invoice" &&
-          subdomain != "joinchat" && subdomain != "login" && subdomain != "proxy" && subdomain != "setlanguage" &&
+          subdomain != "joinchat" && subdomain != "list" && subdomain != "login" && subdomain != "proxy" &&
-          subdomain != "share" && subdomain != "socks" && subdomain != "web" && subdomain != "k" && subdomain != "z") {
+          subdomain != "setlanguage" && subdomain != "share" && subdomain != "socks" && subdomain != "web" &&
+          subdomain != "k" && subdomain != "z") {
         result.type_ = LinkType::TMe;
         result.query_ = PSTRING() << '/' << subdomain << http_url.query_;
         return result;
@@ -1260,12 +1289,20 @@ unique_ptr<LinkManager::InternalLink> LinkManager::parse_tg_link_query(Slice que
     }
     // settings
     return td::make_unique<InternalLinkSettings>();
+  } else if (path.size() == 1 && path[0] == "list") {
+    // list?slug=<hash>
+    if (has_arg("slug")) {
+      auto slug = get_url_query_slug(true, url_query);
+      if (!slug.empty() && is_base64url_characters(slug)) {
+        return td::make_unique<InternalLinkDialogFilterInvite>(PSTRING() << "tg:list?slug=" << slug);
+      }
+    }
   } else if (path.size() == 1 && path[0] == "join") {
     // join?invite=<hash>
     if (has_arg("invite")) {
       auto invite_hash = get_url_query_hash(true, url_query);
       if (!invite_hash.empty() && !is_valid_phone_number(invite_hash) && is_base64url_characters(invite_hash)) {
-        return td::make_unique<InternalLinkDialogInvite>(PSTRING() << "tg:join?invite=" << url_encode(invite_hash));
+        return td::make_unique<InternalLinkDialogInvite>(PSTRING() << "tg:join?invite=" << invite_hash);
       }
     }
   } else if (path.size() == 1 && (path[0] == "addstickers" || path[0] == "addemoji")) {
@@ -1392,12 +1429,20 @@ unique_ptr<LinkManager::InternalLink> LinkManager::parse_t_me_link_query(Slice q
       // /login/<code>
       return td::make_unique<InternalLinkAuthenticationCode>(path[1]);
     }
+  } else if (path[0] == "list") {
+    if (path.size() >= 2 && !path[1].empty()) {
+      auto slug = get_url_query_slug(false, url_query);
+      if (!slug.empty() && is_base64url_characters(slug)) {
+        // /list/<slug>
+        return td::make_unique<InternalLinkDialogFilterInvite>(PSTRING() << "tg:list?slug=" << slug);
+      }
+    }
   } else if (path[0] == "joinchat") {
     if (path.size() >= 2 && !path[1].empty()) {
       auto invite_hash = get_url_query_hash(false, url_query);
       if (!invite_hash.empty() && !is_valid_phone_number(invite_hash) && is_base64url_characters(invite_hash)) {
-        // /joinchat/<link>
+        // /joinchat/<hash>
-        return td::make_unique<InternalLinkDialogInvite>(PSTRING() << "tg:join?invite=" << url_encode(invite_hash));
+        return td::make_unique<InternalLinkDialogInvite>(PSTRING() << "tg:join?invite=" << invite_hash);
       }
     }
   } else if (path[0][0] == ' ' || path[0][0] == '+') {
@@ -1415,7 +1460,7 @@ unique_ptr<LinkManager::InternalLink> LinkManager::parse_t_me_link_query(Slice q
         return std::move(user_link);
       } else if (!invite_hash.empty() && is_base64url_characters(invite_hash)) {
         // /+<link>
-        return td::make_unique<InternalLinkDialogInvite>(PSTRING() << "tg:join?invite=" << url_encode(invite_hash));
+        return td::make_unique<InternalLinkDialogInvite>(PSTRING() << "tg:join?invite=" << invite_hash);
       }
     }
   } else if (path[0] == "contact") {
@@ -1832,6 +1877,14 @@ Result<string> LinkManager::get_internal_link_impl(const td_api::InternalLinkTyp
         return Status::Error("HTTP link is unavailable for the link type");
       }
       return "tg://settings/change_number";
+    case td_api::internalLinkTypeChatFilterInvite::ID: {
+      auto link = static_cast<const td_api::internalLinkTypeChatFilterInvite *>(type_ptr);
+      auto slug = get_dialog_filter_invite_link_slug(link->invite_link_);
+      if (slug.empty()) {
+        return Status::Error(400, "Invalid invite link specified");
+      }
+      return get_dialog_filter_invite_link(slug, is_internal);
+    }
     case td_api::internalLinkTypeChatInvite::ID: {
       auto link = static_cast<const td_api::internalLinkTypeChatInvite *>(type_ptr);
       auto invite_hash = get_dialog_invite_link_hash(link->invite_link_);
@@ -2267,6 +2320,30 @@ Result<string> LinkManager::get_background_url(const string &name,
   return url;
 }
 
+string LinkManager::get_dialog_filter_invite_link_slug(Slice invite_link) {
+  auto link_info = get_link_info(invite_link);
+  if (link_info.type_ != LinkType::Tg && link_info.type_ != LinkType::TMe) {
+    return string();
+  }
+  const auto url_query = parse_url_query(link_info.query_);
+  auto slug = get_url_query_slug(link_info.type_ == LinkType::Tg, url_query);
+  if (!is_base64url_characters(slug)) {
+    return string();
+  }
+  return slug;
+}
+
+string LinkManager::get_dialog_filter_invite_link(Slice slug, bool is_internal) {
+  if (!is_base64url_characters(slug)) {
+    return string();
+  }
+  if (is_internal) {
+    return PSTRING() << "tg:list?slug=" << slug;
+  } else {
+    return PSTRING() << get_t_me_url() << "list/" << slug;
+  }
+}
+
 string LinkManager::get_dialog_invite_link_hash(Slice invite_link) {
   auto link_info = get_link_info(invite_link);
   if (link_info.type_ != LinkType::Tg && link_info.type_ != LinkType::TMe) {

td/telegram/LinkManager.h

@@ -83,6 +83,10 @@ class LinkManager final : public Actor {
   static Result<string> get_background_url(const string &name,
                                            td_api::object_ptr<td_api::BackgroundType> background_type);
 
+  static string get_dialog_filter_invite_link_slug(Slice invite_link);
+
+  static string get_dialog_filter_invite_link(Slice slug, bool is_internal);
+
   static string get_dialog_invite_link_hash(Slice invite_link);
 
   static string get_dialog_invite_link(Slice hash, bool is_internal);
@@ -120,6 +124,7 @@ class LinkManager final : public Actor {
   class InternalLinkChangePhoneNumber;
   class InternalLinkConfirmPhone;
   class InternalLinkDefaultMessageAutoDeleteTimerSettings;
+  class InternalLinkDialogFilterInvite;
   class InternalLinkDialogInvite;
   class InternalLinkEditProfileSettings;
   class InternalLinkFilterSettings;

test/link.cpp

@@ -218,6 +218,10 @@ static auto change_phone_number() {
   return td::td_api::make_object<td::td_api::internalLinkTypeChangePhoneNumber>();
 }
 
+static auto chat_filter_invite(const td::string &slug) {
+  return td::td_api::make_object<td::td_api::internalLinkTypeChatFilterInvite>("tg:list?slug=" + slug);
+}
+
 static auto chat_invite(const td::string &hash) {
   return td::td_api::make_object<td::td_api::internalLinkTypeChatInvite>("tg:join?invite=" + hash);
 }
@@ -703,6 +707,24 @@ TEST(Link, parse_internal_link_part2) {
   parse_internal_link("t.me/+123456?attach=bot&startattach=1",
                       attachment_menu_bot(nullptr, user_phone_number("123456"), "bot", "1"));
 
+  parse_internal_link("t.me/list?invite=abcdef", nullptr);
+  parse_internal_link("t.me/list", nullptr);
+  parse_internal_link("t.me/list/", nullptr);
+  parse_internal_link("t.me/list//abcdef", nullptr);
+  parse_internal_link("t.me/list?/abcdef", nullptr);
+  parse_internal_link("t.me/list/?abcdef", nullptr);
+  parse_internal_link("t.me/list/#abcdef", nullptr);
+  parse_internal_link("t.me/list/abacaba", chat_filter_invite("abacaba"));
+  parse_internal_link("t.me/list/aba%20aba", nullptr);
+  parse_internal_link("t.me/list/aba%30aba", chat_filter_invite("aba0aba"));
+  parse_internal_link("t.me/list/123456a", chat_filter_invite("123456a"));
+  parse_internal_link("t.me/list/12345678901", chat_filter_invite("12345678901"));
+  parse_internal_link("t.me/list/123456", chat_filter_invite("123456"));
+  parse_internal_link("t.me/list/123456/123123/12/31/a/s//21w/?asdas#test", chat_filter_invite("123456"));
+  parse_internal_link("t.me/list/12345678901a", chat_filter_invite("12345678901a"));
+  parse_internal_link("t.me/list/123456a", chat_filter_invite("123456a"));
+  parse_internal_link("t.me/list/123456a/123123/12/31/a/s//21w/?asdas#test", chat_filter_invite("123456a"));
+
   parse_internal_link("t.me/contact/startattach/adasd", user_token("startattach"));
   parse_internal_link("t.me/contact/startattach", user_token("startattach"));
   parse_internal_link("t.me/contact/startattach=1", user_token("startattach=1"));
@@ -714,6 +736,11 @@ TEST(Link, parse_internal_link_part2) {
   parse_internal_link("tg://join?invite=abc%30def", chat_invite("abc0def"));
   parse_internal_link("tg:join?invite=", unknown_deep_link("tg://join?invite="));
 
+  parse_internal_link("tg:list?slug=abcdef", chat_filter_invite("abcdef"));
+  parse_internal_link("tg:list?slug=abc%20def", unknown_deep_link("tg://list?slug=abc%20def"));
+  parse_internal_link("tg://list?slug=abc%30def", chat_filter_invite("abc0def"));
+  parse_internal_link("tg:list?slug=", unknown_deep_link("tg://list?slug="));
+
   parse_internal_link("t.me/addstickers?set=abcdef", nullptr);
   parse_internal_link("t.me/addstickers", nullptr);
   parse_internal_link("t.me/addstickers/", nullptr);
@@ -1142,6 +1169,7 @@ TEST(Link, parse_internal_link_part4) {
   parse_internal_link("confirmphone.t.me", nullptr);
   parse_internal_link("invoice.t.me", nullptr);
   parse_internal_link("joinchat.t.me", nullptr);
+  parse_internal_link("list.t.me", nullptr);
   parse_internal_link("login.t.me", nullptr);
   parse_internal_link("proxy.t.me", nullptr);
   parse_internal_link("setlanguage.t.me", nullptr);